AMD Radeon HD 6490M vs AMD Radeon E8870

VS

AMD Radeon HD 6490M

AMD Radeon E8870

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 4GB VRAM Radeon E8870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Released 4 years and 8 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 25.60GB/s)

608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

Radeon E8870 +500%

1.536 TFLOPS

Radeon HD 6490M

VS

Radeon E8870

Graphics Card

Jan 2011

Release Date

Sep 2015

Vancouver

Generation

Embedded

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

800 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

96.00GB/s

Render Config

2

Compute Units

12

-

160

Shading Units

768

8

TMUs

48

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

16.00 GPixel/s

6.400 GTexel/s

Texture Rate

48.00 GTexel/s

-

256.0 GFLOPS

FP32 (float)

1.536 TFLOPS

-

FP64 (double)

96.00 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

Saturn

Seymour XTX S3 (216-0809024)

GPU Variant

Saturn PRO

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

2.08 billion

67 mm²

Die Size

160 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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